125 



Fig. 421. Aristida divergens Yasey, Contrib. Nat. Herb., 3: 

 48. 1892. Texas Povekty-grass. — A rather rigid, erect peren- 

 nial, 3 to 6 dm. high, witli narrow, involute leaves and diffuse 

 panicles 10 to 16 cm. long. Second glume a little longer than the 

 first (a), bristle-pointed, and slightly exceeding the flovrering 

 glubie (h), which is 6 to 8 mm. long. Awn 10 to 12 mm. long, the 

 lateral awns wanting or nearly so. — Arizona and Texas. August, 

 September. 



